PT-2024-14745 · Linux+3 · Linux Kernel+3

Published 2023-11-14 · Updated 2025-02-03 · CVE-2023-52782

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.0-rc4+

Description The vulnerability is related to the net/mlx5e module in the Linux kernel. It occurs when the metadata index is put in the tracking list before the relevant skb is available in the map, which can lead to a null-ptr-deref. This issue can cause a general protection fault, probably for non-canonical address. The vulnerability is triggered in the mlx5e ptp napi poll function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-06377

CVE-2023-52782

SUSE-SU-2024:2571-1

SUSE-SU-2024:2896-1

SUSE-SU-2024:2973-1

SUSE-SU-2025:20008-1

SUSE-SU-2025:20028-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 1924

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52782.json · Exploit
• https://security-tracker.debian.org/tracker/CVE-2023-52782 · Vendor Advisory
• https://git.kernel.org/stable/c/a9d6c0c5a6bd9ca88e964f8843ea41bc085de866 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:2973-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-52782 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-52782 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-52782 · Vendor Advisory
• https://git.kernel.org/stable/c/4d510506b46504664eacf8a44a9e8f3e54c137b8 · Patch
• https://git.kernel.org/stable/c/7e3f3ba97e6cc6fce5bf62df2ca06c8e59040167 · Patch
• https://ubuntu.com/security/CVE-2023-52782 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-06377 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-52782 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52782 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:20028-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2896-1 · Vendor Advisory